3.5 mi/KwH - Never thought I would ever see this

[JeremyMKE]

I am all good with my Range in the Rivian, no complaints. That said on one of my frequent trips to O'Hare I got a great EV day.

Nothing special on the truck but I do have @EV Sportline aero inserts on my wheels.

I never thought I would EVER see this kind of efficiency.

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[NY_Rob]

I like how you Photoshoped out the tow cable between your Rivian and the Semi in front of you.. it looks very realistic ?

The unretouched photo...

 

[NY_Rob]

In all seriousness... were you driving at much lower speeds for the previous 14.5min then took the photo when you were doing 63mph?

That is fantastic efficiency for the R1T!!

 

[Donald Stanfield]

How can you drive at 63 on I90-94? It seems like the average speed on that road is 80-90. I would be freaked out at everyone rocketing past me.

 

[JeremyMKE]

I was between 60-70 the whole time. For best efficiency 60 or less is critical in my experience.

As you can see in the picture I had the cruise set to 70 which is the speed limit but I spent my time in the right lanes and if I ended up behind a semi at 68 I just stayed there which you can also see in the picture.

I wasnt hyper miling but I wasnt driving in a hurry either.

 

[R1TS]

But, what was your efficiency on the way back (on the same route and speed)?

 

[duessell]

But, what was your efficiency on the way back (on the same route and speed)?

Totally. Tailwind becomes headwind and downhill becomes uphill.

 

[goldburger]

I get 4.1 on there everyday … and my lifetime efficiency is 2.1. The 15 minute meter is a smaaaaaall sample size.

 

[mzdds]

Drafting behind the semi,

 

[s4wrxttcs]

I was between 60-70 the whole time. For best efficiency 60 or less is critical in my experience.

As you can see in the picture I had the cruise set to 70 which is the speed limit but I spent my time in the right lanes and if I ended up behind a semi at 68 I just stayed there which you can also see in the picture.

I wasnt hyper miling but I wasnt driving in a hurry either.

It clearly says the speed limit is 60mph.

SPEEDER!!!

 

[JeremyMKE]

But, what was your efficiency on the way back (on the same route and speed)?

Technically that was my efficiency for 15 minutes. Not the full 90.

 

[JeremyMKE]

I get 4.1 on there everyday … and my lifetime efficiency is 2.1. The 15 minute meter is a smaaaaaall sample size.

VERY small but I had never crested 3 for 15 minutes ever in over a year and a half.

Its just a data point not the journey

 

[Throwdown]

My lifetime efficiency on 22s after 15,000 miles is 2.6mi/kwh, I sometimes wish I had 21s to see how much better it could be. I've used conserve mode twice for 2 road trips, 95% of miles is in all purpose mode

 

[R1Sky Business]

I am all good with my Range in the Rivian, no complaints. That said on one of my frequent trips to O'Hare I got a great EV day.

Nothing special on the truck but I do have @EV Sportline aero inserts on my wheels.

I never thought I would EVER see this kind of efficiency.

In Formula 1 they call that a Free Tow.

 

[OUTAGAS]

SPEED KILLS efficiency. My R1T is on the standard 21” wheels without aero inserts, and stock tires. I’m a sporty driver but try to keep it at or below 75 for efficiency. I’m also an engineer and realize that wind resistance increases 36% from 60 to 70 mph. It increases 78% from 60 to 80. There is, btw, a definite 0.4 mi/kWh penalty for driving on the 20” all-terrain tire package.

Two nights ago, my crew and I finished a big job out of town and packed up our stuff to go home. The truck is a 24’ box truck that cannot exceed 70 mph, and it was pulling a 5000 pound trailer. Normally I would have said “see you tomorrow” but I needed to give the driver a ride home. So I set my adaptive cruise on 70 and my following distance at maximum and settled in for a boring 90 mile drive.

My efficiency for the trip was 3.6 and the speed averaged just under 60 for a trip that was about 92% interstate. I was impressed.

Electricity is cheap so I drive like I want to, which often exceeds posted limits (just a little), but on long trips with range anxiety, I’m driving like Grandpa.

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